7
Flicker 3 times and stay
1s off
Alarm 3 times
and stay 1s off
Thermal print head damaged, needs
to repair.
Table 2
－
4
2.5 Self-test
The self-test can check the condition of printer. In the self-test, software version,
interface type, characters, etc will be printed. If the printer prints out the self-test
receipt correctly, it means the printer works normally except the interface with host.
Otherwise it needs to repair.
Method of self-test: Holding down
【
FEED
】
button and turn on the power, the red
indicator light will flicker at 1 time/s, within 3 times then release the button, self-test
begins automatically.
2.6 Hexadecimal Dump
Holding down
【
FEED
】
button and turn on the power, the red indicator light will flicker
at 1 time/s, after 3 times then release the button, the red light will go on flicker 3
times, then the printer will print out 3 lines information as bellow:
Hexadecimal Dump
To terminate hexadecimal dump,
Press FEED button three times.
Under this mode, all the input will print out as Hexadecimal data. Put the
【
FEED
】
button will feed one line each time. 3 times together will print out as bellow:
*** Completed ***
Then quit the Hexadecimal Dump print mode.
2.7 Upgrade Mode
Holding down
【
FEED
】
button and turn on the power, the red indicator light will flicker
at 1 time/s, after 3 times then release the button. The printer enters into Mode
Choosing Status. Then press
【
FEED
】
button 5 times and the time distance
between two times must be within 3s. The indicator will flicker at 1s on and 1s off
status. At this time, the printer enters into Upgrade Mode.
